Na tropie agnonimu słownikowego wirowiec (o wykorzystaniu teorii lingwochronologizacyjnej Piotra Wierzchonia w badaniach leksyki północnokresowej)
In pursuit of the agnonym wirowiec (about applying Piotr Wierzchoń’s theory of linguochronologization in research concerning the Northern Borderlands

Summary/Abstract: The application of Piotr Wierzchoń’s theory of linguochronologization for removing blank spots in the descriptions of the Northern Borderlands lexis to date is discussed on the example of the currently unknown derivative wirowiec (‘helicopter’). The empirical basis of the said theory is a collection of texts gathered in Polish digital libraries. With the use of dLibra software one can search the extensive resources for the needed language units, view the context in which they were used and determine the dates of the individual usages. The derivative wirowiec, which can be found in post-war Vilnian press and books published there until 1975, was verifi ed on the basis of the texts collected until mid-2011. It was found that the noun wirowiec was not present in any of them after 1945, but it often appeared in texts from the 1930s. It was then that it was formed with native components as a recommended synonym of the borrowing autożyro. Therefore, the noun wirowiec is an ephemeral form. It became obsolete very soon and was replaced by helikopter and śmigłowiec. However, within the territories of the Northern-Eastern Borderlands, which were separated from the centre, wirowiec became obsolete at a much later period.

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